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Multi-ingredient Supplement for Strength and Power
NCT01971723 · View on ClinicalTrials.gov ↗
Study Summary
It has been suggested that high amounts of total serum testosterone levels correlate with higher lean body mass, lowered fat mass, greater muscle strength, and faster recovery. These suggestions drive athletes and body builders to find ways to raise their testosterone levels. Many athletes and bodybuilders look to alternative methods to anabolic steroids in order increase their testosterone levels without legal repercussions or physiological side effects. Herbs and other plant extracts have been introduced as a possible source to naturally boost testosterone levels. Research supporting the use of herbs and plant extracts has been shown to be equivocal. However, evidence in studies with hypogonadal men suggests that longjack root may naturally boost testosterone levels. Onnit Labs, LLC has packaged this supplement (T+) which claims it can naturally boost testosterone and lower estrogen levels and subsequently improve performance. This product is a powder (11g) that is mixed with 16 oz of water and consumed 20 minutes prior to anaerobic workouts, such as high intensity weight training. T+ is a multi-ingredient supplement that consists of vitamins B5 and B6, magnesium aspartic acid, mucuna pruriens, longjack root, nettle root, red clover luteolin, resveratrol, beta- alanine, branch chain amino acids, L- glutamine, Bioperine, and Fibersol 2. The active ingredients purported to boost plasma testosterone levels are mucuna pruriens, longjack root, and magnesium aspartic acid. The active ingredients claimed to lower plasma estrogen concentrations are red clover, luteolin, resveratrol and nettle root. All other ingredients (Branch Chain Amino Acids and Beta-Alanine) have been documented to improve exercise performance. It is hypothesized that there will not be any physiological changes after supplementation of T+. It is also hypothesized that performance will not be affected by the supplementation of T+.
Conditions Studied
Interventions
- OTHER Placebo
- OTHER T+ Supplement
Study Locations (1)
Florida
- Florida State University — Tallahassee
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 32 participants |
| Start Date | 2013-06 |
| Est. Completion | 2015-12 |
| Phase | NA |
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Full Details on ClinicalTrials.gov ↗What the Registry Record Tells You About NCT01971723
The ClinicalTrials.gov registry entry for NCT01971723 describes a study currently listed as completed. It is categorized as NA, which is the standard way researchers label where a study sits along the investigational pathway from early safety work through later efficacy and post-marketing evaluation. The registered enrollment target is 32 participants, a figure that helps gauge the scale of data the investigators plan to collect. The listed sponsor is Florida State University, which has 291 total studies on file at ClinicalTrials.gov, and sponsors are the parties responsible for study design, oversight, and regulatory filings.
The record links to 1 condition, with Supplement appearing as the primary indexed condition, and to 2 interventions — of which Placebo is the first listed. Interventions can include drugs, devices, procedures, behavioral programs, or observational arms, and each is tracked as a separate registry field so that downstream queries can filter accurately. When a trial lists multiple interventions, it usually reflects a multi-arm design or a comparison protocol rather than a single treatment being tested in isolation. The brief summary published in the registry is the clearest source of protocol intent and should be read before drawing conclusions from any sidebar tags.
Geographic footprint matters for practical reasons: NCT01971723 reports 1 study location spanning 1 distinct geographic area — top geographies include Florida. A larger site network tends to correlate with broader recruitment capacity, but it does not imply anything about study quality, and site-level enrollment status can diverge from the overall registry status shown above. Every data point on this page comes from the public ClinicalTrials.gov dataset and is reproduced here for reference only; it is not a medical recommendation, an endorsement of the sponsor, or an invitation to enroll. Verify current status, eligibility criteria, and contact details directly at ClinicalTrials.gov, and discuss any participation decision with your own healthcare provider.
Frequently Asked Questions
What is clinical trial NCT01971723 about?
NCT01971723 is a clinical study titled "Multi-ingredient Supplement for Strength and Power". It has been suggested that high amounts of total serum testosterone levels correlate with higher lean body mass, lowered fat mass, greater muscle strength, and faster recovery. These suggestions drive athletes and body builders to find ways to raise their testosterone levels. Many athletes and bodyb...
What is the current status of trial NCT01971723?
This trial is currently completed. It is a NA study. The enrollment target is 32 participants. The study started on 2013-06. Estimated completion is 2015-12.
What conditions does trial NCT01971723 study?
This clinical trial studies the following conditions: Supplement. These conditions were identified from the trial registry and reflect the primary focus areas of the research.
What interventions are being tested in trial NCT01971723?
The interventions under investigation include: Placebo (OTHER), T+ Supplement (OTHER). Each intervention is being evaluated for safety and efficacy as part of this clinical study.
Who is sponsoring clinical trial NCT01971723?
This trial is sponsored by Florida State University, which has 291 total clinical trials registered on ClinicalTrials.gov. The sponsor is responsible for the study's design, funding, and regulatory compliance.
Where is trial NCT01971723 being conducted?
This trial has 1 study location across Florida. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
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